docs: def getinfo(self, member):
          """Return RarInfo for filename
          """
          if isinstance(member, RarInfo):
              fname = member.filename
          else:
              fname = member
  
          # accept both ways here
          if PATH_SEP == '/':
              fname2 = fname.replace("\\", "/")
          else:
              fname2 = fname.replace("/", "\\")
  
          try:
              return self._info_map[fname]
          except KeyError:
              try:
                  return self._info_map[fname2]
              except KeyError:
                  raise NoRarEntry("No such file: %s" % fname)